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  3. Mineral Resource Data System (MRDS)

Gilliam Mine

Past Producer in Calaveras county in California, United States with commodities Chromium, Iron
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Ownership information
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10284427
MRDS ID M005792
MAS/MILS ID 0060090223
Record type Site
Current site name Gilliam Mine
Related records 10109136

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -120.78961, 38.22431 (WGS84)
Elevation 274
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Calaveras(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Valley Springs(quadrangle 1:24,000 scale)

San Andreas(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Calaveras

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 004 N 011 E 05 E2N2 California

Commodities

Commodity Importance
Chromium Critical Tertiary
Iron Tertiary

Materials information

Materials Type of material
Chromite Unknown
Opal Unknown
Serpentine Unknown

Nearby scientific data

Main Entrance (1) -120.78961, 38.22431
ListMap

Economic information

Ore body information

  • Thickness 0M
    Length 0M
    Width 0M
    Depth to top 0M
    Field Value
    Type of Orebody #1 SHEAR ZONE
    Shape of Orebody #1 IRREGULAR
    Primary mode of Origin MAGMATIC DIFFER
    Primary Ore Control LITHOLOGY
    Secondary Ore Control FAULTING
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 CARBONITIZATION
    Strike And Dip N30W:
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 820414

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Significant No
Discovery year 1918
Year of first production 1918

Mining district

District name Pardee Area

Ownership information

  • Type Owner
    Owner Jefferson Gillam
    Home office California
    Year 1976
  • Type Lessee/Operator
    Owner Kerley, A. C. And Van Winkle, Walton
    Home office California
    Year 1976

Reference information

Bibliographic references

  • Deposit

    CATER,F.W.,1948,CDM AND G BULL 134,PT.3,CHAP.2,P.50

  • Deposit

    CLARK,W.B.,AND LYDON,P.A.,1962,COUNTY REPT.NO.2,CDM AND G,P.

  • Deposit

    PL.D.

General comments

Subject category Comment text
Deposit SINCE 1918,THE MINE HAS BEEN IDLE THE ORE OCCURS IN SMALL IRREGULARBODIES AND APPEARS TO BE OF NG GRADE,CARRYING 31 TO 35 PERCENT CR2O3. ABOUT 72 LONG TONS OF ORE

Reporter information

Type Date Name Affiliation Comment
Reporter 22-MAY-1986 Unknown U.S. Bureau of Mines

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Maps centered on this site

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.